Features 1、The bolt is made of premium titanium, sturdy, anti deformation, and sturdy 2、Precise machining ensures sleek threads and narrow thread spacing, can make it firmly hinge into the stem 3、Fine finish and coating provide bright and delicate face with excellent anti-rust performance 4、With 40 sizes for you to choose, fits most bikes 5、Useful accessory for cycle lovers Features: The bolt is made of premium titanium, sturdy, anti deformation, and sturdy. Precise machining ensures sleek threads and narrow thread spacing, can make it firmly hinge into the stem. Fine finish and coating provide bright and delicate face with excellent anti-rust performance. With 40 sizes for you to choose, fits most bikes. Useful accessory for cycle lovers. Specification: Material: Titanium Options: Colorful-M6-30; Colorful-M6-35; Colorful-M6-40; Colorful-M6-50; Gold-M6-30; Gold-M6-35; Gold-M6-40; Gold-M6-50 Thread: M6 Diameter: Approx. 10mm / 0.39in Length: Approx. M6-30: 36mm / 1.4in; M6-35: 41mm / 1.6in; M6-40: 46.3mm / 1.82mm; M6-50: 55.8mm / 2.2in Weight: Approx. 36-39g Package List: 1 x Bolt Package List